Aero's gas blocks create an efficent and reliable gas system for your ar15 or ar 308 rifle build.Features fits barrels with.750 outer diameter, low profile for easy fitment and set screws are steel...
Aero's gas blocks create an efficent and reliable gas system for your ar15 or ar 308 rifle build.Features fits barrels with.875 outer diameter, low profile for easy fitment and set screws are steel...
Aero's gas blocks create an efficent and reliable gas system for your ar15 or ar 308 rifle build.Features fits barrels with.936 outer diameter, low profile for easy fitment and set screws are steel...